System throttled due to Over-current in Xavier NX

currently I’ve tested Xavier NX performance but there is some kind of throttled issue as the screen shot
after that information shown, device performance is getting down
is there any solution to fix it, not shown that information?

one more question what’s max Hz of NVDEC, when I used TX2 it’s around 1,200MHz but Xavier is around 793MHz

thank you so much

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